@book{57779,
	author = {Edwards, C. Henry and Penney, David E.},
	title = {Elementary Differential Equations /},
	publisher = {Pearson Prentice Hall,},
	year = {c2008.},
	address = {Upper Saddle River, N.J. :},
	edition = {6th ed.},
	url = {http://10.10.170.122:8080/browse/book/6503}
}